0 past simple and past participle of unlock
1 to open something, especially a door that is locked (= fastened with a lock) using a key or an electronic device:
You need to know the secret PIN to unlock your mobile phone upon power up.
Once your phone is unlocked, you can buy and change SIM cards as you travel.
A chemical has been discovered that may be the key to unlocking the mysteries of Parkinson's disease.
One of poetry's functions is to unlock the imagination.
Having my car stolen really taught me a lesson - I'll never leave it unlocked again.
Leaving your house unlocked is an open invitation to burglars.
By clause 6, a waiting process can synchronize with the relevant monitor and is granted access provided the corresponding semaphore is unlocked.
For example, suppose you try to rush through a door that has always been unlocked only to find it is locked.
The possession of keys unlocked secrets and it was also a mark of status, a function of responsible office and seniority.
In this connection, uncertainty in interest rates is seen as a positive source of value to be unlocked.
Figure 4 shows the experimental schematic and results for the unlocked case.
Their leisure time was unsupervised, their cells were unlocked and had no iron bars.
